Epson RC620 Manual page 153

♦ Process Flowchart
Examining a
trouble.
See 4.1.1. Examining
Details of Trouble.
RC620 Option Fieldbus I/O Rev.8
Master LED Absent Slave LED
Yes
MS: Green ON
NS: Red Blinking
No
Yes
MS: Green ON
NS: Red ON
No
Yes
MS: Green ON
NS: OFF
No
Yes
MS: Red Blinking
No
MS: OFF Yes
NS: Green Blinking
No
Yes
MS: OFF
NS: OFF
No
MS: Red ON
Other
Yes
MS: OFF
NS: OFF
No
Yes
MS: Green ON
NS: Red Blinking
No
Yes
MS: Green ON
NS: Red ON
No
Yes
MS: Green ON
NS: OFF
No
(Other)
Broken Slave Unit
Replace the unit.
Broken Master Unit
Replace the Unit.
4. Troubleshooting (DeviceNet)
Slave:
1
Not Operating
See 4.1.2.1.1.
Slave:
2
See 4.1.2.1.2.
Communication
Error Detection
Slave:
3
See 4.1.2.1.2.
Busoff Detection
Slave:
See 4.1.2.1.2.
4
Not Added
Master:
5
Busoff Detection
Master:
6
Unestablished
Communication
Master Unit:
7
Configuration Error
Master:
8
Absent Slave
Master:
9
Uninitialized Network
See 4.1.2.2.
See 4.1.2.3.
See 4.1.2.4.
See 4.1.2.5.
See 4.1.2.6.
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